Solenoid Valve Body Material PVC 3-Way/2-Position Normally Closed Pipe Size 1/2 In. Orifice Dia 63/64 In. Coefficient of Volume 5.20 Min Operating Pressure Differential 5 psi Safe Working Water Pressure 140 psi Voltage 120VAC Operation Pilot Operated NEMA Rating 4X Max Fluid Temp 140 Degrees F Seal Material EPDM F Coil Insulation Class Hz 60 Coil Enclosure Watertight and Dust Tight Electrical Connections 1/2 in Conduit Overall Length 3-1/2 In. Overall Width 3-1/2 In.